80978280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 252806400

約数和(自身を除く): 171828120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 109, 120, 123, 151, 164, 205, 218, 246, 302, 327, 328, 410, 436, 453, 492, 545, 604, 615, 654, 755, 820, 872, 906, 984, 1090, 1208, 1230, 1308, 1510, 1635, 1640, 1812, 2180, 2265, 2460, 2616, 3020, 3270, 3624, 4360, 4469, 4530, 4920, 6040, 6191, 6540, 8938, 9060, 12382, 13080, 13407, 16459, 17876, 18120, 18573, 22345, 24764, 26814, 30955, 32918, 35752, 37146, 44690, 49377, 49528, 53628, 61910, 65836, 67035, 74292, 82295, 89380, 92865, 98754, 107256, 123820, 131672, 134070, 148584, 164590, 178760, 185730, 197508, 246885, 247640, 268140, 329180, 371460, 395016, 493770, 536280, 658360, 674819, 742920, 987540, 1349638, 1975080, 2024457, 2699276, 3374095, 4048914, 5398552, 6748190, 8097828, 10122285, 13496380, 16195656, 20244570, 26992760, 40489140, 80978280]

約数ペア:

[(1, 80978280), (2, 40489140), (3, 26992760), (4, 20244570), (5, 16195656), (6, 13496380), (8, 10122285), (10, 8097828), (12, 6748190), (15, 5398552), (20, 4048914), (24, 3374095), (30, 2699276), (40, 2024457), (41, 1975080), (60, 1349638), (82, 987540), (109, 742920), (120, 674819), (123, 658360), (151, 536280), (164, 493770), (205, 395016), (218, 371460), (246, 329180), (302, 268140), (327, 247640), (328, 246885), (410, 197508), (436, 185730), (453, 178760), (492, 164590), (545, 148584), (604, 134070), (615, 131672), (654, 123820), (755, 107256), (820, 98754), (872, 92865), (906, 89380), (984, 82295), (1090, 74292), (1208, 67035), (1230, 65836), (1308, 61910), (1510, 53628), (1635, 49528), (1640, 49377), (1812, 44690), (2180, 37146), (2265, 35752), (2460, 32918), (2616, 30955), (3020, 26814), (3270, 24764), (3624, 22345), (4360, 18573), (4469, 18120), (4530, 17876), (4920, 16459), (6040, 13407), (6191, 13080), (6540, 12382), (8938, 9060)]